Finding the Fourth Proportional to 615,190.93, 849,022.10 and 373,418.08
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Solution
The fourth proportional to 615,190.93, 849,022.10 and 373,418.08 is: 515,352.53
Step by Step Solution
- Step 1: Write the proportion equation
615,190.93 : 849,022.10 = 373,418.08 : x - Step 2: Convert to fraction form
615,190.93/849,022.10 = 373,418.08/x - Step 3: Cross multiply
615,190.93x = 849,022.10 × 373,418.08 - Step 4: Simplify right side
615,190.93x = 317,040,202,459.57 - Step 5: Solve for x
x = 317,040,202,459.57/615,190.93 - Step 6: Final answer
x = 515,352.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.